J600GFDDU6CTL1 – Galaxy J6 firmware

Build J600GFDDU6CTL1 is a feature update for the Galaxy J6 (SM-J600GF) on Android 10. It first appeared on Samsung's servers on Dec 22, 2020 (method) and has reached 1 region so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to J600GFDDS5CTI1 is blocked. Samsung still serves this file.

Model
SM-J600GF
Android
Android 10
Type
Feature
Bootloader bit
6
First released
Dec 22, 2020
Regions
1

Rollout timeline by region

The date each region code (CSC) first received J600GFDDU6CTL1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaDec 22, 2020day 0J600GFDDU6CTL1/J600GFODI6CTL1/J600GFDDU6CTK2

Download and release notes

samloader download -m SM-J600GF -r INS -v J600GFDDU6CTL1/J600GFODI6CTL1/J600GFDDU6CTK2

Samsung's release notes and security patch level for this update: SM-J600GF / INS on doc.samsungmobile.com. What each part of the build number means: decode J600GFDDU6CTL1.